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Let me just preface this by saying that I work at Oracle, but not in |
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the Database or in OCFS2... |
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responses inline... |
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On 3/21/06, Jan Klopper <janklopper@×××××.com> wrote: |
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> Hi, |
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> |
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> just noticed the 2.6.16 kernel release. |
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> |
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> One of the biggest changest to me seem to be OCFS, but the question i can't |
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> seem to find an answer for is the following: |
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> |
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> Does OCFS need a single shared storge solution, or does it propogate file |
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> system changes around the cluster to the nodes local drives like lustre or |
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> coda would? |
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I don't know the answer offhand, but the user guide can be found here |
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(http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_users_guide.pdf) |
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and chop that address down to just the oss.oracle.com to find general |
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information about all of Oracle's Open Source endeavors. |
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My guess, since they support shared root, is that its a shared disk solution. |
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> If OCFS does indeed propogate file and file system changes around the cluste |
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> witout using an expensive Fibrechannel storage sollution, would't it be the |
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> holy grail of simple clustered file systems? |
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See previous. |
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> I mean could you use it to share one disk between a set of webserver cluster |
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> nodes which usually just read a lot, and occasionally write to their disks? |
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> |
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> And could this be used as a file system to allow mysql to run on a cluster |
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> of nodes? |
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Considering that they support Oracle running on OCFS2 (as well as |
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shared root), I doubt this would be a problem in either case. |
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As for the mysql question, I'm not sure that Larry would be too happy |
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with someone running mysql on top of OCFS2. Not that I expect you to |
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consider it, but there is a "lite" version of Oracle DB that's free |
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called Express Edition |
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(http://www.oracle.com/technology/products/database/xe/index.html). |
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Exactly how scaled back it is, I have no idea, but its Oracle DB and |
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free - that's at least something. |
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> Could we setup a cluster of nodes which all read and write from the database |
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> stored on such a FS? |
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This would be more a database issue (locking and so forth), but yea. |
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-- |
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